May weather forecast
Lynnwood, WA

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Weather in May

May marks the advent of warm weather in Lynnwood, with increasing daylight hours and less frequent showers. Pleasant weather dominates the month, indicating the proximity of summer. An annual low in rainfall, 1.57" (40mm), comes to pass in May, contributing to the delightful weather. These marked changes make May stand out with a mesmerizing blend of warmth, brightness, and minimal precipitation.

Temperature

May brings a slight rise in Lynnwood's average high-temperature, moving from a fresh 55.2°F (12.9°C) in April to a comfortable 62.8°F (17.1°C). During the month of May, an average temperature of 45.5°F (7.5°C) is noted during the nights in Lynnwood, Washington.

Humidity

In Lynnwood, the average relative humidity in May is 76%.

Rainfall

In May, in Lynnwood, the rain falls for 13.3 days. Throughout May, 1.57" (40mm) of precipitation is accumulated. Throughout the year, in Lynnwood, there are 173 rainfall days, and 25" (635mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In May, the average length of the day in Lynnwood is 15h and 11min.
On the first day of the month, sunrise is at 5:49 am and sunset at 8:22 pm. On the last day of May, sunrise is at 5:14 am and sunset at 8:59 pm PDT.

Sunshine

The average sunshine in May is 9.5h.

UV index

The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: During May, 4 as the daily maximum UV index converts into the following advice:
Adopt protective measures - It is advised to guard against sun damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
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Frequently asked questions

What is the average May temperature in Lynnwood?

In May, the average high-temperature and low-temperature are 62.8°F (17.1°C) and 45.5°F (7.5°C) respectively.

What is the average humidity in May in Lynnwood?

The average relative humidity in May in Lynnwood, Washington, is 76%.

How many days does it rain in May in Lynnwood?

In Lynnwood, Washington, during May, the rain falls for 13.3 days and regularly aggregates up to 1.57" (40mm) of precipitation.

When it does not snow in Lynnwood?

In Lynnwood, snow does not fall in May through October.

Does it snow in Lynnwood in May?

In May, in Lynnwood, it doesn't snow. April is the latest month when it typically snows.

What is the average length of the day in May in Lynnwood?

In May, the average day length in Lynnwood is 15h and 11min.

When is the sunrise / sunset in May in Lynnwood?

On the first day of May in Lynnwood, sunrise is at 5:49 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:14 am and sunset at 8:59 pm PDT.

How many hours of sunshine does Lynnwood have in May?

The average sunshine duration in May in Lynnwood, Washington, is 9.5h.

How high is the UV index in May in Lynnwood?

In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Lynnwood, WA

Average temperature in May - Lynnwood, WA
  • Average high temperature in May: 62.8°F

The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is December (43.3°F).

  • Average low temperature in May: 45.5°F

The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (35.8°F).

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Average pressure in May
Lynnwood, WA

Average pressure in May - Lynnwood, WA
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

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Average wind speed in May
Lynnwood, WA

Average wind speed in May - Lynnwood, WA
  • Average wind speed in May: 4.2mph

The windiest month (with the highest average wind speed) is November (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

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Average humidity in May
Lynnwood, WA

Average humidity in May - Lynnwood, WA
  • Average humidity in May: 76%

The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is July (72%).

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Average rainfall in May
Lynnwood, WA

Average rainfall in May - Lynnwood, WA
  • Average rainfall in May: 1.57"

The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in May
Lynnwood, WA

Average rainfall days in May - Lynnwood, WA
  • Average rainfall days in May: 13.3 days

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.8 days).

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Average snowfall in May
Lynnwood, WA

Average snowfall in May - Lynnwood, WA
  • Average snowfall in May: 0"

The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Lynnwood, WA

Average snowfall days in May - Lynnwood, WA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Lynnwood, WA

Average daylight in May / Average sunshine in May - Lynnwood, WA
  • Average daylight in May: 15h and 1min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in May: 9h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in May
Lynnwood, WA

Average sunshine days in May - Lynnwood, WA
  • Average sunshine days in May: 14.6 days

The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is November (9.2 days).

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Average UV index in May
Lynnwood, WA

Average UV index in May - Lynnwood, WA
  • Average UV index in May: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Lynnwood, WA

Average cloud cover in May - Lynnwood, WA
  • Average cloud cover in May: 40

The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).

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Average visibility in May
Lynnwood, WA

Average visibility in May - Lynnwood, WA
  • Average visibility in May: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Lynnwood, Washington, USA

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